Qin Ye, a young man from the countryside, seeks compensation for his pregnant cow that was hit by a car and unexpectedly gets caught up in the deadly pursuit of Shen Qingyan, the female CEO of Hengyue. When he tries to call off an arranged marriage, the two discover that they are each other's betrothed. As a poisoning incident in the Shen family, the resumption of production at Heishiling, and an unsolved mining disaster from ten years ago come to light one after another, Qin Ye begins investigating the truth behind his father Qin Zhenshan's disappearance. Facing the mastermind Liang Shikun and a series of deadly threats, Qin Ye and Shen Qingyan join forces to hunt down the culprits. They ultimately uncover the secret buried at Heishiling for ten years and find love while standing side by side through life-and-death trials.